Soak the raisins in hot water for 5 minutes and then drain.,Whisk the flour, oats, cinnamon, baking powder and salt together in a medium bowl and set aside.,______,Add the flour-oat mixture and mix on low speed until well incorporated.,Turn off the beaters and use your hands to help combine if needed.,Fold in the raisins with a rubber spatula or mix them in with your hands.,Refrigerate in an airtight container for up to 5 days.